Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.93,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with shoulder straps and a structured textile body",
        "photo 6: interior shows a magnetic snap closure and colorful fabric lining, consistent with the seller's handmade description"
    ],
    "negative_evidence": [
        "photo 1: light-wash denim construction is not the glove-tanned leather used in classic vintage Coach bags",
        "photo 1: no Coach wordmark, horse-and-carriage, leather hangtag, or recognizable Coach hardware is visible",
        "photo 6: colorful grid-print fabric lining and simple magnetic snap are not typical identifiers of a vintage Coach classic",
        "photos 1-5: construction appears handmade, with denim seams and pleated panels rather than Coach leather construction",
        "photo 1-5: light-wash denim fabric body, not glove-tanned leather - Coach vintage requires leather",
        "photo 6: white lining with colorful red\/green\/blue\/yellow grid print and patch pocket, not unlined suede or Coach lining",
        "photo 6: magnetic snap closure only, no brass turnlock",
        "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "seller text states Handmade denim purse, consistent with photos - handmade construction with pleats"
    ],
    "missing_information": [
        "A close-up of any interior or exterior brand label, if one exists",
        "Close-up photographs of the snap, seams, and interior pocket for fuller condition assessment",
        "Seller's purchase history or any maker information, although the visible construction is already strongly non-Coach",
        "No creed patch visible - interior lining fully shown with no leather patch (photo 6)",
        "No hardware close-ups beyond magnetic snap - no brass hardware to assess",
        "No hangtag or brand label shown"
    ],
    "authenticity_concerns": [],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the denim textile body, integrated straps, pleated hobo silhouette, and magnetic snap do not correspond to the listed vintage Coach leather models.",
        "Era is best classified as modern (2000s+), non-Coach based on textile construction and handmade appearance; no Coach-era identifier is visible.",
        "Condition appears approximately Very Good from the photos: no major tears or severe stains are visible, though the interior and hardware are only partially documented.",
        "Silhouette is soft pleated denim hobo\/satchel with wide sewn strap and magnetic snap - matches no Coach catalog style in \u00a74",
        "Materials (denim body, printed cotton lining, magnetic snap) contradict Coach glove-tanned leather + solid brass + turnlock construction in \u00a73",
        "No hard identifiers (creed, serial, wordmark, hangtag, brass hardware) visible in any of 6 photos despite interior lining shown",
        "Condition: Very Good to Excellent as handmade preowned; photos show no major stains or tears but handmade imperfections noted by seller"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 6: small dark magnetic snap is visible; no turnlock, Coach-stamped hardware, or hangtag is visible",
        "leather_description": "photos 1-5: light-wash denim\/textile exterior, not leather",
        "lining_description": "photo 6: white fabric lining with multicolored grid pattern",
        "strap_construction": "photos 2-4: wide integrated denim shoulder straps sewn into the bag body",
        "stitching_description": "photos 1-5: visible machine-sewn denim seams and pleated panel construction; minor handmade irregularities are consistent with the listing description"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with shoulder straps and a structured textile body",
                    "photo 6: interior shows a magnetic snap closure and colorful fabric lining, consistent with the seller's handmade description"
                ],
                "negative_evidence": [
                    "photo 1: light-wash denim construction is not the glove-tanned leather used in classic vintage Coach bags",
                    "photo 1: no Coach wordmark, horse-and-carriage, leather hangtag, or recognizable Coach hardware is visible",
                    "photo 6: colorful grid-print fabric lining and simple magnetic snap are not typical identifiers of a vintage Coach classic",
                    "photos 1-5: construction appears handmade, with denim seams and pleated panels rather than Coach leather construction"
                ],
                "missing_information": [
                    "A close-up of any interior or exterior brand label, if one exists",
                    "Close-up photographs of the snap, seams, and interior pocket for fuller condition assessment",
                    "Seller's purchase history or any maker information, although the visible construction is already strongly non-Coach"
                ],
                "authenticity_concerns": [],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 6: small dark magnetic snap is visible; no turnlock, Coach-stamped hardware, or hangtag is visible",
                    "leather_description": "photos 1-5: light-wash denim\/textile exterior, not leather",
                    "lining_description": "photo 6: white fabric lining with multicolored grid pattern",
                    "strap_construction": "photos 2-4: wide integrated denim shoulder straps sewn into the bag body",
                    "stitching_description": "photos 1-5: visible machine-sewn denim seams and pleated panel construction; minor handmade irregularities are consistent with the listing description"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the denim textile body, integrated straps, pleated hobo silhouette, and magnetic snap do not correspond to the listed vintage Coach leather models.",
                    "Era is best classified as modern (2000s+), non-Coach based on textile construction and handmade appearance; no Coach-era identifier is visible.",
                    "Condition appears approximately Very Good from the photos: no major tears or severe stains are visible, though the interior and hardware are only partially documented."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No creed patch visible - interior lining fully shown with no leather patch (photo 6)",
                    "No hardware close-ups beyond magnetic snap - no brass hardware to assess",
                    "No hangtag or brand label shown"
                ],
                "negative_evidence": [
                    "photo 1-5: light-wash denim fabric body, not glove-tanned leather - Coach vintage requires leather",
                    "photo 6: white lining with colorful red\/green\/blue\/yellow grid print and patch pocket, not unlined suede or Coach lining",
                    "photo 6: magnetic snap closure only, no brass turnlock",
                    "photos 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "seller text states Handmade denim purse, consistent with photos - handmade construction with pleats"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark magnetic snap visible on interior top band in photo 6; no brass turnlock, buckles, or zippers visible",
                    "leather_description": "no leather visible; light-wash denim jean fabric throughout exterior and strap",
                    "lining_description": "photo 6: white fabric lining with colorful square\/grid print in red, green, blue, yellow, with interior patch pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible denim topstitching and pleated gathers at top band (photos 1-4); repurposed jean seam visible on lower body; handmade appearance consistent with seller text",
                    "strap_construction": "wide single-piece denim shoulder strap, sewn to top band, no hardware adjustment or clips (photos 2-4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is soft pleated denim hobo\/satchel with wide sewn strap and magnetic snap - matches no Coach catalog style in \u00a74",
                    "Materials (denim body, printed cotton lining, magnetic snap) contradict Coach glove-tanned leather + solid brass + turnlock construction in \u00a73",
                    "No hard identifiers (creed, serial, wordmark, hangtag, brass hardware) visible in any of 6 photos despite interior lining shown",
                    "Condition: Very Good to Excellent as handmade preowned; photos show no major stains or tears but handmade imperfections noted by seller"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17803,
            "output_tokens": 713,
            "total_tokens": 18516,
            "estimated_cost_usd": 0.008832
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18147,
            "output_tokens": 1003,
            "total_tokens": 19150,
            "estimated_cost_usd": 0.004432
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}